Planetarium is Ai Otsuka’s tenth single, which was released on September 21, 2005.

Underneath, you will find my translations of the songs of Planetarium. Because English is not my mother tongue, please kindly let me know if there are any grammatical errors: I am open for corrections and like to learn from my mistakes 

1. Planetarium (insert song for the drama series Hana Yori Dango)

2. drop.